Question

step by step solution of 2^(x-1) - 4 <0.5?
I got it to: 2^(x-1) - 2^2<2^-1 now what

Answer 1

do you see that .5 = 2^-1 ?

Answer 2

yes you do; i see that now lol

Answer 3

lol

Answer 4

2^(x-1) < 4.5

(x-1) log(2) < 4.5

x-1 < 4.5/(log(2))


x < 1 + [4.5/(log(2))]